| Activity Type | Statistical Trend | Sample Count | Years with Data | Period of Record | Median Result Value | Tau | Sen Intercept | Sen Slope | P |
|---|---|---|---|---|---|---|---|---|---|
| Lab | No significant trend | 5960 | 28 | 1997 - 2024 | 0.5545 | 0.07049 | 0.57824 | 0.00262 | 0.0751 |
Total nitrogen showed no detectable trend between 1997 and 2024.
| Activity Type | Statistical Trend | Sample Count | Years with Data | Period of Record | Median Result Value | Tau | Sen Intercept | Sen Slope | P |
|---|---|---|---|---|---|---|---|---|---|
| Lab | Significantly decreasing trend | 9346 | 28 | 1997 - 2024 | 0.072 | -0.2044 | 0.08532 | -0.00074 | 0 |
Monthly average total phosphorus decreased by less than 0.01 mg/L per year.
| Activity Type | Statistical Trend | Sample Count | Years with Data | Period of Record | Median Result Value | Tau | Sen Intercept | Sen Slope | P |
|---|---|---|---|---|---|---|---|---|---|
| Field | Significantly decreasing trend | 22400 | 30 | 1995 - 2024 | 5.99 | -0.16934 | 6.2392 | -0.02706 | 0 |
Monthly average dissolved oxygen decreased by 0.03 mg/L per year.
| Program Location | Statistical Trend | Sample Count | Years with Data | Period of Record | Median Result Value | Tau | Sen Intercept | Sen Slope | P |
|---|---|---|---|---|---|---|---|---|---|
| gtmsswq | Significantly increasing trend | 661972 | 24 | 2002 - 2025 | 6.3 | 0.10 | 5.89 | 0.01 | 0.0257 |
| gtmpiwq | Significantly decreasing trend | 665008 | 25 | 2001 - 2025 | 5.9 | -0.09 | 5.75 | -0.01 | 0.0424 |
| gtmfmwq | Significantly increasing trend | 683159 | 25 | 2001 - 2025 | 6.5 | 0.10 | 6.27 | 0.00 | 0.0239 |
| gtmpcwq | No significant trend | 703770 | 25 | 2001 - 2025 | 5.5 | 0.04 | 5.23 | 0.00 | 0.3292 |
At two program locations, monthly average dissolved oxygen increased by less than 0.01 mg/L per year at one site and by 0.01 mg/L per year at the other. At one program location, monthly average dissolved oxygen decreased by 0.01 mg/L per year. No detectable change in monthly average dissolved oxygen was observed at one location.
| Activity Type | Statistical Trend | Sample Count | Years with Data | Period of Record | Median Result Value | Tau | Sen Intercept | Sen Slope | P |
|---|---|---|---|---|---|---|---|---|---|
| Field | No significant trend | 2351 | 23 | 1999 - 2024 | 81.2 | 0.08569 | 79.26809 | 0.19836 | 0.1062 |
Dissolved oxygen saturation showed no detectable trend between 1999 and 2024.
| Program Location | Statistical Trend | Sample Count | Years with Data | Period of Record | Median Result Value | Tau | Sen Intercept | Sen Slope | P |
|---|---|---|---|---|---|---|---|---|---|
| gtmpiwq | Significantly decreasing trend | 670820 | 25 | 2001 - 2025 | 82.2 | -0.18 | 82.04 | -0.18 | 0 |
| gtmsswq | Significantly increasing trend | 667908 | 24 | 2002 - 2025 | 89.5 | 0.15 | 84.22 | 0.12 | 0.0005 |
| gtmfmwq | Significantly increasing trend | 694826 | 25 | 2001 - 2025 | 92.6 | 0.15 | 89.33 | 0.09 | 0.0005 |
| gtmpcwq | No significant trend | 705263 | 25 | 2001 - 2025 | 71.4 | 0.00 | 68.37 | 0.00 | 0.9716 |
At two program locations, monthly average dissolved oxygen saturation increased by 0.09% per year at one site and by 0.12% per year at the other. At one program location, monthly average dissolved oxygen saturation decreased by 0.18% per year. No detectable change in monthly average dissolved oxygen saturation was observed at one location.
| Activity Type | Statistical Trend | Sample Count | Years with Data | Period of Record | Median Result Value | Tau | Sen Intercept | Sen Slope | P |
|---|---|---|---|---|---|---|---|---|---|
| All | Significantly decreasing trend | 25641 | 31 | 1980 - 2024 | 31.71 | -0.36104 | 37.00413 | -0.32348 | 0 |
Monthly average salinity decreased by 0.32 ppt per year.
| Program Location | Statistical Trend | Sample Count | Years with Data | Period of Record | Median Result Value | Tau | Sen Intercept | Sen Slope | P |
|---|---|---|---|---|---|---|---|---|---|
| gtmsswq | Significantly decreasing trend | 646637 | 24 | 2002 - 2025 | 33.90 | -0.12 | 34.14 | -0.06 | 0.0047 |
| gtmpiwq | Significantly decreasing trend | 666468 | 24 | 2001 - 2024 | 27.90 | -0.26 | 32.45 | -0.33 | 0 |
| gtmfmwq | Significantly decreasing trend | 671050 | 25 | 2001 - 2025 | 34.40 | -0.17 | 34.89 | -0.06 | 0 |
| gtmpcwq | Significantly decreasing trend | 713330 | 25 | 2001 - 2025 | 16.60 | -0.14 | 17.2 | -0.23 | 0.0008 |
| 872-0494 | Insufficient data to calculate trend | 34918 | 2 | 2020 - 2021 | 8.99 | - | - | - | - |
At four program locations, monthly average salinity decreased between 0.06 and 0.33 ppt per year. There was insufficient data to fit a model for one location.
| Activity Type | Statistical Trend | Sample Count | Years with Data | Period of Record | Median Result Value | Tau | Sen Intercept | Sen Slope | P |
|---|---|---|---|---|---|---|---|---|---|
| Field | Significantly increasing trend | 25291 | 30 | 1995 - 2024 | 23.3 | 0.21369 | 22.37929 | 0.05051 | 0 |
Monthly average water temperature increased by 0.05°C per year.
| Program Location | Statistical Trend | Sample Count | Years with Data | Period of Record | Median Result Value | Tau | Sen Intercept | Sen Slope | P |
|---|---|---|---|---|---|---|---|---|---|
| gtmpcwq | Significantly increasing trend | 721896 | 25 | 2001 - 2025 | 24.30 | 0.15 | 23.8 | 0.04 | 0.0004 |
| gtmfmwq | Significantly increasing trend | 714709 | 25 | 2001 - 2025 | 23.70 | 0.23 | 23 | 0.05 | 0 |
| gtmsswq | Significantly increasing trend | 680248 | 24 | 2002 - 2025 | 23.80 | 0.23 | 23 | 0.06 | 0 |
| gtmpiwq | Significantly increasing trend | 716752 | 24 | 2001 - 2024 | 24.30 | 0.19 | 23.58 | 0.04 | 0 |
| 872-0494 | Insufficient data to calculate trend | 35473 | 2 | 2020 - 2021 | 22.34 | - | - | - | - |
At four program locations, monthly average water temperature increased between 0.04 and 0.06°C per year. There was insufficient data to fit a model for one location.
| Activity Type | Statistical Trend | Sample Count | Years with Data | Period of Record | Median Result Value | Tau | Sen Intercept | Sen Slope | P |
|---|---|---|---|---|---|---|---|---|---|
| Field | Significantly decreasing trend | 18686 | 30 | 1995 - 2024 | 7.8 | -0.38982 | 7.87393 | -0.0154 | 0 |
Monthly average pH decreased by 0.02 pH units per year.
| Program Location | Statistical Trend | Sample Count | Years with Data | Period of Record | Median Result Value | Tau | Sen Intercept | Sen Slope | P |
|---|---|---|---|---|---|---|---|---|---|
| gtmsswq | No significant trend | 637677 | 24 | 2002 - 2025 | 7.9 | 0.02 | 7.84 | 0.00 | 0.5521 |
| gtmpiwq | Significantly decreasing trend | 661500 | 25 | 2001 - 2025 | 7.6 | -0.17 | 7.61 | 0.00 | 0.0001 |
| gtmfmwq | Significantly decreasing trend | 668566 | 25 | 2001 - 2025 | 8.0 | -0.15 | 7.99 | 0.00 | 0.0003 |
| gtmpcwq | Significantly decreasing trend | 696839 | 25 | 2001 - 2025 | 7.4 | -0.12 | 7.45 | -0.01 | 0.0036 |
At three program locations, monthly average pH decreased between less than 0.01 and 0.01 pH units per year. No detectable change in monthly average pH was observed at one location.
| Activity Type | Statistical Trend | Sample Count | Years with Data | Period of Record | Median Result Value | Tau | Sen Intercept | Sen Slope | P |
|---|---|---|---|---|---|---|---|---|---|
| Lab | Significantly increasing trend | 14793 | 30 | 1995 - 2024 | 4.5 | 0.22654 | 4.85933 | 0.0878 | 0 |
Monthly average turbidity increased by 0.09 NTU per year, indicating a decrease in water clarity.
| Program Location | Statistical Trend | Sample Count | Years with Data | Period of Record | Median Result Value | Tau | Sen Intercept | Sen Slope | P |
|---|---|---|---|---|---|---|---|---|---|
| gtmsswq | No significant trend | 633255 | 24 | 2002 - 2025 | 9 | 0.00 | 9.83 | 0.00 | 0.937 |
| gtmpiwq | Significantly decreasing trend | 643280 | 25 | 2001 - 2025 | 10 | -0.10 | 14.48 | -0.07 | 0.0222 |
| gtmfmwq | Significantly decreasing trend | 680985 | 25 | 2001 - 2025 | 7 | -0.11 | 9.19 | -0.06 | 0.0073 |
| gtmpcwq | Significantly decreasing trend | 687902 | 25 | 2001 - 2025 | 9 | -0.18 | 9.73 | -0.11 | 0 |
At three program locations, monthly average turbidity decreased between 0.06 and 0.11 NTU per year. No detectable change in monthly average turbidity was observed at one location.
| Activity Type | Statistical Trend | Sample Count | Years with Data | Period of Record | Median Result Value | Tau | Sen Intercept | Sen Slope | P |
|---|---|---|---|---|---|---|---|---|---|
| Lab | Significantly decreasing trend | 4982 | 28 | 1997 - 2024 | 17 | -0.39611 | 29.93195 | -0.66923 | 0 |
Monthly average total suspended solids decreased by 0.67 mg/L per year, indicating an increase in water clarity.
| Activity Type | Statistical Trend | Sample Count | Years with Data | Period of Record | Median Result Value | Tau | Sen Intercept | Sen Slope | P |
|---|---|---|---|---|---|---|---|---|---|
| Lab | Significantly increasing trend | 6317 | 23 | 2002 - 2024 | 6.2 | 0.25387 | 5.38207 | 0.19431 | 0 |
Monthly average chlorophyll a, uncorrected for pheophytin, increased by 0.19 µg/L per year, indicating a decrease in water clarity.
| Activity Type | Statistical Trend | Sample Count | Years with Data | Period of Record | Median Result Value | Tau | Sen Intercept | Sen Slope | P |
|---|---|---|---|---|---|---|---|---|---|
| Lab | Significantly increasing trend | 7993 | 23 | 2002 - 2024 | 4.7 | 0.29681 | 3.70111 | 0.18133 | 0 |
Monthly average chlorophyll a, corrected for pheophytin, increased by 0.18 µg/L per year, indicating a decrease in water clarity.
| Activity Type | Statistical Trend | Sample Count | Years with Data | Period of Record | Median Result Value | Tau | Sen Intercept | Sen Slope | P |
|---|---|---|---|---|---|---|---|---|---|
| Field | Significantly increasing trend | 2870 | 25 | 1999 - 2024 | -0.8 | 0.09635 | -0.86855 | 0.00394 | 0.0436 |
Monthly average Secchi depth became shallower by less than 0.01 m per year, indicating a decrease in water clarity.
| Activity Type | Statistical Trend | Sample Count | Years with Data | Period of Record | Median Result Value | Tau | Sen Intercept | Sen Slope | P |
|---|---|---|---|---|---|---|---|---|---|
| Lab | Significantly decreasing trend | 1826 | 12 | 2007 - 2024 | 33.4 | -0.18985 | 46.72978 | -1.01726 | 0.0064 |
Monthly average colored dissolved organic matter decreased by 1.02 PCU per year, indicating an increase in water clarity.